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# COMPEX, INC.
ANET-16-1A(REVISION C2)
NIC Type ARCnet
Transfer Rate 2.5-Mbps
Data Bus 16-bit ISA
Topology Linear bus, Star
Wiring Type RG-58A/U 50ohm coaxial
Unshielded twisted pair
Boot ROM Available
IMG IMG 1
+------------------------------------------------------------+
| BASE MEMORY ADDRESS SELECT |
|------------------------------------------------------------|
| Address | J2/A | J2/B | J2/C | J2/D | J2/E |
|----------+---------+---------+---------+---------+---------|
| C0000h | Closed | Closed | Closed | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| C4000h | Closed | Closed | Open | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| CC000h | Closed | Open | Closed | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| D0000h | Closed | Open | Open | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| D4000h | Open | Closed | Closed | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| D8000h | Open | Closed | Open | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| DC000h | Open | Open | Closed | Closed | Closed |
|----------+---------+---------+---------+---------+---------|
| E0000h | Open | Open | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT ROM |
|------------------------------------------------------------|
| Setting | J1/C |
|---------------------------------+--------------------------|
| » | Disabled | Open |
|---+-----------------------------+--------------------------|
| | Enabled | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CABLE TYPE |
|------------------------------------------------------------|
| Type | J5 | J6 |
|----------------------------+---------------+---------------|
| » | RG-58A/U 50ohm coaxial | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
|---+------------------------+---------------+---------------|
| | Unshielded twisted | Pins 2 & 3 | Pins 2 & 3 |
| | pair | closed | closed |
+------------------------------------------------------------+
+----------------------------------------------------------------------+
| INTERRUPT SELECT |
|----------------------------------------------------------------------|
| IRQ | J4/A | J4/B | J4/C | J4/D | J4/E | J4/F | J4/G | J4/H | J4/I |
|-------+------+------+------+------+------+------+------+------+------|
|»|IRQ2 |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ3 | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ4 | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ5 | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ7 | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ10| Open | Open | Open | Open | Open | Open | Open | Open |Closed|
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ11| Open | Open | Open | Open | Open | Open | Open |Closed| Open |
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ12| Open | Open | Open | Open | Open | Open |Closed| Open | Open |
|-+-----+------+------+------+------+------+------+------+------+------|
| |IRQ15| Open | Open | Open | Open | Open |Closed| Open | Open | Open |
+----------------------------------------------------------------------+
+------------------------------------------------------------+
| I/O ADDRESS SELECT |
|------------------------------------------------------------|
| Address | J3/A | J3/B | J3/C |
|---------------+--------------+--------------+--------------|
| 260h | Closed | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 290h | Closed | Closed | Open |
|---------------+--------------+--------------+--------------|
| 2E0h | Closed | Open | Closed |
|---------------+--------------+--------------+--------------|
| 2F0h | Closed | Open | Open |
|---------------+--------------+--------------+--------------|
| 300h | Open | Closed | Closed |
|---------------+--------------+--------------+--------------|
| 350h | Open | Closed | Open |
|---------------+--------------+--------------+--------------|
| 380h | Open | Open | Closed |
|---------------+--------------+--------------+--------------|
| 3E0h | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NODE ADDRESS |
|------------------------------------------------------------|
|Node |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 |SW1/8|
|-----+------+------+------+------+------+------+------+-----|
| 0 | - | - | - | - | - | - | - | - |
|-----+------+------+------+------+------+------+------+-----|
| 1 | Off | On | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 2 | On | Off | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 3 | Off | Off | On | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 4 | On | On | Off | On | On | On | On | On |
|-----+------+------+------+------+------+------+------+-----|
| 251 | Off | Off | On | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 252 | On | On | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 253 | Off | On | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 254 | On | Off | Off | Off | Off | Off | Off | Off |
|-----+------+------+------+------+------+------+------+-----|
| 255 | Off | Off | Off | Off | Off | Off | Off | Off |
|------------------------------------------------------------|
|Note:Node address 0 is used for messaging between nodes and |
|must not be used. |
| |
| A total of 255 node address settings are available. The |
| switches are a binary representation of the decimal node |
| addresses. Switch 1 is the Least Significant Bit and |
| switch 8 is the Most Significant Bit. The switches have |
| the following decimal values: switch 1=1, 2=2, 3=4, 4=8, |
| 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the|
| values of the off switches to obtain the correct node |
| address. (On=0, Off=1) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TIMEOUT CONFIGURATION |
|------------------------------------------------------------|
| Response Time | J1/A | J1/B |
|------------------------+-----------------+-----------------|
| » | 74.7µs | Open | Open |
|----+-------------------+-----------------+-----------------|
| | 283.4µs | Open | Closed |
|----+-------------------+-----------------+-----------------|
| | 561.8µs | Closed | Open |
|----+-------------------+-----------------+-----------------|
| | 1118.6µs | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TOPOLOGY |
|------------------------------------------------------------|
| Type | J7 |
|----------------------------------+-------------------------|
| » | Star | Closed |
|---+------------------------------+-------------------------|
| | Linear bus | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-------------------------------+----------------------------|
| External LED connector | LJ1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LEDS |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+----------+----------------------------------|
| LED1 | Red | Blinking | Network connection is broken |
|------+-------+----------+----------------------------------|
| LED1 | Red | On | Network connection is good |
|------+-------+----------+----------------------------------|
| LED2 | Green | Off | Data is not being |
| | | | transmitted/received |
|------+-------+----------+----------------------------------|
| LED2 | Green | On | Data is being |
| | | | transmitted/received |
+------------------------------------------------------------+